As part of NBC Universal's "Green is Universal" Earth Week initiative, MillerCoors breaks the news on CNBC's Squawk Box that its Golden, Colorado brewery -- the largest single-site brewery in the world -- will become a zero waste facility, recycling or reusing 99 percent of all brewery waste, in just a few weeks.

The self-sustaining building, which generates all its own electricity and collects its own water, could inspire more action to raise awareness about the environment and the need to curb climate change.

This week there's sure to be plenty of talk about the environmental impact of the proposed Keystone XL pipeline. But the real debate begins hundreds of miles north where the oil comes from, in Fort McMurray, Alberta—the unofficial capitol of oil sands country.